Telegraph switching system



March 27, 1951 F. l.. CURRIE ET A| 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, 1948 22 Sheets-Sheet 1 F. L. CURRIE ETAL TELEGRAPH SWITCHING SYSTEM TO FlG 3 ATTORNEY f m A :N v v v Exfa:

Filed July 9, 1948 March 27, 1951 ,foon

March 27, 1951 F. L. CURRIE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, 1948 22 Sheets-Sheet 3 3oes|G.

TO FIG. 2

IWENTORS E L.CURRIE BY W. B BLANTON ATTO RN EY March 27, 1951 F. l.. CURRIE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM ATTORNEY March 27, 1951 F. l.. cURRlE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, 1948 22 Sheets-Sheet 5 TO FIG. 4

INVENTORS F. L .CURRIE .BY W. B.BL,ANTON ATTOR N EY FIG. 5

March 27, 1951 F. l.. CURRIE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, l1948 22 Sheets-Sheerl 6 TO FIG. ll-

if) o n g L9 INVENTORS m E I .CURRlE Q W. B.BLANTON m 31a/wl@ m To was ATTQRNEY March 27, 1951 F. l.. CURRIE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, 1948 22 Sheets-Sheec 7 TO FIG. l2

TO FIG, 6

TO FIG. 8

INVENTORS F. L .CURRIE BY W. BBLANTON @f4-@WA ATTOR NEY FIG. 7-

March 27, 1951 F. L. cURRlE ET Al. 2,546,630

TELEGRAPH swITcHING SYSTEM Filed July 9, 1948 22 Sheets-Sheet 8 To FIG. 7

INVENTORS 9 -F. LCURRIE BY w. BBLANTON L" @fe M ATTORNEY March 27, 1951 Filed July 9, 1948 22 Sheets-SheerI 9 i il 5f-U 'GAI "J1 www h-l rf 'W3 w mf mi +1- Tm 1H +1 M -l i? mi? March 27, 1951 F, L. CURRIE ETAL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, i948 .0.... o ho:

INVENTORS F. l.. GURRI E w. B.B| AN TON ATTORN EY --TO FIG. 5

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March 27, 1951 F. cuRRlE ET AL. 2,546,630

TELEGRAPH swITcHING SYSTEM Filed July 9, 1948 22 Smets-sheet 11 To Flc. n4

n1 RECT coNN EcToR A INVENTORS F. L:CU R Rl E BY W. B.BLANTON ATTOR N EY FIG. Il

March 27, 1951 F 1 CURRlE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, 1948 22 Sheets-Sheet l2 i INVENToRs N -F. LCURRIE BY w. BBLANTON L9 ATTORN EY March 27, 1951 F. L.. cURRlE ET AL TELEGRAPH SWITCHING SYSTEM 22 Sheets-Sheet 13 To FIG. le

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March 27, 1951 F. l.. cuRRlE ET AL TELEGRAPH SWITCHING SYSTEM 22 sheets-sheet 14 Filed July 9, 1948 March 27, 1951 Filed July 9, 1948 F. L. CURRIE ET AL TELEGRAPH SWITCHING SYSTEM 22 Sheets-Sheet l5 ATTORN EY March 27, 1951 F. L. CURRIE ET AL 2,546,630

TELEGRAPH SWITCHING SYSTEM Filed July 9, 1948 22 Sheets-Sheet 17 TO FIG. I4

March 27,l 1951 F. CURRIE ET Al. 2,546,630

TELEGRAPH swITcHING SYSTEM Filed July 9, 1948 22 sheets-sheet 18 INVENTORS F". l .CURRl E BY W. BBLANTON FIG. I8

March 27, 1951 F. l.. cURRlE ET A1.

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ATTOR N EY March 27, 1951 F. l.. CURRIE ET AL TELEGRAPH SWITCHING SYSTEM 22 Sheets-Sheet 2O Filed July 9, 1948 m. .mu-I.- OF

INVENTORS F. L CURRI E BY W. B.BL ANTON TO FIG. IB

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